In preparing our new crotyl 1-methyl-propyl thiobarbituric acid, it is important that the crotyl halide (preferably bromide or chloride) used in preparing the crotyl 1-methyl-propyl ethylmalonate or the crotyl 1-methyl-propyl ethylcyanacetate from which the desired crotyl 1-methyl-propyl thiobarbit...
In preparing our new crotyl 1-methyl-butyl thiobarbituric acid, it is important that the crotyl halide (preferably bromide or chloride) used in preparing the crotyl 1-methyl-butyl ethylmalonate or the croytl 1-methyl-butyl ethylcyanacetate from which the desired crotyl 1-methyl-butyl thiobarbituri...